package ro.dta.idbi.interfaces;

import java.util.List;

/**
 * Interface for the extent generators
 * 
 * @author Tudor Dobrila
 * 
 */
public interface IExtentGenerator {

	/**
	 * Generate the extents for the given step
	 * 
	 * @param step
	 *            Step no. in the forward transformation
	 * @return List of extents for the step expressed in the forward
	 *         transformation
	 */
	List<String> getExtentsForStep(int step);

}